Finding the Fourth Proportional to 7,019.28, 10,519.83 and 2,854.44

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.28 : 10,519.83 = 2,854.44 : x
2. Step 2: Convert to fraction form
   7,019.28/10,519.83 = 2,854.44/x
3. Step 3: Cross multiply
   7,019.28x = 10,519.83 × 2,854.44
4. Step 4: Simplify right side
   7,019.28x = 30,028,223.55
5. Step 5: Solve for x
   x = 30,028,223.55/7,019.28
6. Step 6: Final answer
   x = 4,277.96